The O-Ring, cataloged under National Stock Number 5331-01-535-5302, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-535-5302 |
| Primary Part Number | CMI-216-B46A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.140 INCHES NOMINAL IN |
| Center Hole Diameter | 1.000 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CMI-216-B46A PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| 01-435-0138-5ITEM133 | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
NSN 5331-01-535-5302 is a O-Ring, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-535-5302 has 2 manufacturer part numbers on file: CMI-216-B46A (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0138-5ITEM133 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
Key specifications for CMI-216-B46A: Cross-Sectional Height: 0.140 INCHES NOMINAL IN; Special Features: THE OD IS 1.250 INCHES IN; Center Hole Diameter: 1.000 INCHES NOMINAL IN; End Item Identification: LIMITORQUE VALVE CONTROL, TYPE 5MB MB. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.